An approach to obstetrical brachial plexus injuries.

The approach of one clinic to the early evaluation of the infant with an obstetrical brachial plexus palsy has been presented. The need for a reproducible and standardized grading system has been identified. The natural history of these lesions will be better understood as further studies elucidate key principles. The final goals are the precise prognostication of natural outcome and the early prediction of the need for surgical intervention.